9514 1404 393
Answer:
(15/14)² = 225/196
Step-by-step explanation:
Evaluating the expressions inside parentheses, we can see they are the same, eliminating a bit of work.
Answer:
x=2
Step-by-step explanation:
2x+10+3x=20
5x=10
x=2
→Amount charged by wireless service provider when 'm' messages are sent=$(30+0.10 m)
Amount charged if ' 1 ' messages are sent= $30+0.10×1=$30.10
Amount charged when '2' messages are sent=$30+0.10×2=%30.20
.....................................................
Amount charged or money you will pay when 'u' messages are sent=$30+0.10×u=$(30+0.10 u)
f(x) = 2x + 7 and f(x) = -1
Replace f(x) with -1:
-1 = 2x +7
Subtract 7 from both sides:
-8 = 2x
Divide both sides by 2:
x = -8 /2
x = -4
Answer:
1. 3x+3y=9 since it is a coinciding line.It is equivalent because all the terms are multiplied by 3 from the original equation.
2. x-4=3x+4
x=3x+8
-2x=8
x=-4
y=-4-4
y=-8
please mark me brainlyest <i cant spell it i think i spelled it wrong lol >
